Mirror Micro-arc PC Top Cover with anodic Alluminium alloy drill cutting water block housing Equiped with special make Squama 2505 series " Bucket " fans with the excellent Cooling Performance and low noise. The narrow and solft RGB aperture is low key elegant as you can see 55 x 55 mm large size heat conducting , high density and microchannel copper base could make the heat conducting the CPU more efficiently. Dual Platform fully compitable with CPU socket (LGA 1700), Cover all bases and install as you wish